Extension of the Nyquist robust stability margin to systems with nonconvex value sets. - Charles T. Baab; Juan C. Cockburn; Haniph A. Latchman; Oscar D. Crisalle (ACC, 2001)

A restatement of the major principal direction alignment principle for robustness quantification. - Charles T. Baab; Haniph A. Latchman; Oscar D. Crisalle (ACC, 2003)

Robustness of classical tuning correlations for proportional-integral controllers. - Charles T. Baab; Haniph A. Latchman; Oscar D. Crisalle (ACC, 2003)

Systematic algorithms for characterizing the robustness of predictive controllers. - B. J. Remark; Charles T. Baab; H. M. Mahon; Oscar D. Crisalle (ACC, 2003)